Applied Mechanics and Design-Engineering Mechanics [IES-ESE (Engineering Services) Mechanical Engineering]: Questions 1 - 4 of 17

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Question 1

Question MCQ▾

Which one of the following statements is correct?

While designing a parallel sunk key it is assumed that the distribution of force along the length of the key

Choices

Choice (4)Response

a.

varies exponentially, being less at torque output end

b.

varies exponentially, being more at the torque input end

c.

is uniform throughout

d.

varies linearly

Edit

Question 2

Question MCQ▾

The bolts in a rigid flanged coupling connecting two shafts transmitting power are subjected to

Choices

Choice (4)Response

a.

Torsion and bending moment

b.

Shear force and bending moment

c.

Torsion

d.

Axial force

Edit

Question 3

Appeared in Year: 2015

Question MCQ▾

Which of the following statements are associated with complete dynamic balancing of rotating systems?

i. Resultant couple due to all inertia forces is zero.

ii. Support reactions due to forces are zero but not due to couples.

iii. The system is automatically statically balanced.

iv. Centre of masses of the system lies on the axis of rotation.

Choices

Choice (4)Response

a.

i, iii and iv only

b.

iii and iv only

c.

i, ii, and iii only

d.

ii, iii and iv only

Edit

Question 4

Appeared in Year: 2015

Question MCQ▾

A body starting from rest moves in a straight line with its equation of motion being

where s is displacement in m and t is time in s. Its acceleration after one second is

Choices

Choice (4)Response

a.

b.

c.

d.

Edit